Ice maker stops and displays E1; unit may beep and compressor does not start

Safety first: Unplug the ice maker from the wall outlet before opening any panels. Do not work on the unit while it is connected to power.

• Power reset: Unplug the unit for 5–10 minutes, then plug it back in and see if E1 clears. If it returns, continue.
• Access the thermistor: Remove the rear or side service panel (varies by Midea model). Locate the small, usually white or black, bullet-style sensor clipped to the evaporator plate or near the ice-making area. It will be connected by two thin wires to the main PCB.
• Inspect wiring: Check the thermistor wires for cuts, pinches, or burn marks. Ensure the connector is fully seated on the main control board. Reseat the connector several times to clean contacts.
• Check sensor resistance (for advanced DIYers): With the unit unplugged, disconnect the thermistor from the board and measure resistance with a multimeter. At room temperature (around 25°C / 77°F), most Midea NTC thermistors will read between 5–20 kΩ. A reading of 0 Ω (short) or OL (open) indicates a bad sensor.
• Replace if faulty: If the thermistor is open/shorted or physically damaged, replace it with a compatible Midea evaporator/temperature sensor. Route the new sensor along the original path and secure it with clips or zip ties away from moving parts.
• If sensor tests good: The fault may be on the main PCB. Inspect the board for burnt components. If no obvious damage is visible but E1 persists, the main control board likely needs replacement and is best handled by a qualified technician.